Elliptical.
An 'adverb clause' is a subordinate clause that modifies a verb, an adjective, or another adverb. It tells when, where, how, to what extent or under what conditions.
adverb clause
An elliptical adverb clause is one that omits words that may be understood. For example, in the sentence "he is more knowledgeable than I" the pronoun I is used because the full clause would be "than I am knowledgeable." The same applies for an omitted subject: "He was more startled than scared" omits the words "he was" before scared.
When he was young ... - as in When he was young he did some very foolish things - is an adverb clause of time.
The clause "until my room was cleaned" is an adverb clause, which begins with an adverb (until) acting as a conjunction.
elliptical clause
An adverb clause is a subordinate clause that modifies a verb, adjective, or adverb. A conjunction that begins an adverb clause is called a subordinating conjunction. It joins the clause to the rest of the sentence.
When you have a non defining relative clause. egJacks house, which has been on the market for years, has just been sold.In this sentence the words between the commas are called a non defining relative clause. The clause gives extra (but not essential) information about the subject. The relative clause can be omitted. If the non defining clause is omitted the sentence will still make sense.When you have a defining clause no commas are used and the clause gives essential information to identify who or what you are talking about.The house which I showed you last week has just been painted
The adverb clause is "when the moon is full." The subordinating conjunction is when, the subject is moon, and the verb is "is."
An 'adverb clause' is a subordinate clause that modifies a verb, an adjective, or another adverb. It tells when, where, how, to what extent or under what conditions.
adverb clause
An elliptical adverb clause is one that omits words that may be understood. For example, in the sentence "he is more knowledgeable than I" the pronoun I is used because the full clause would be "than I am knowledgeable." The same applies for an omitted subject: "He was more startled than scared" omits the words "he was" before scared.
It is an adverb clause. It will say "when" an activity may take place.
When he was young ... - as in When he was young he did some very foolish things - is an adverb clause of time.
The word until can BEGIN an adverb clause, but it is not an adverb by itself. The word until is a preposition or conjunction.
The clause "until my room was cleaned" is an adverb clause, which begins with an adverb (until) acting as a conjunction.
The adverb clause is everything after the word Land. The word "until" is a subordinating conjunction that connects the dependent clause, which acts as an adverb. The two phrases (to the Northwest Territories, in 1868) are adverbial phrases.